Tests that SetDialogOptionCommand objects can be constructed and rendered.
function testSetDialogOptionCommand() {
$command = new SetDialogOptionCommand('#some-dialog', 'width', '500');
$expected = array(
'command' => 'setDialogOption',
'selector' => '#some-dialog',
'optionName' => 'width',
'optionValue' => '500',
);
$this
->assertEqual($command
->render(), $expected, 'SetDialogOptionCommand::render() with a selector returns a proper array.');
}